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Product Specifications:
| Item | Check Valve |
| Application | General Purpose |
| Body Material | Brass |
| Check Mechanism Material | Forged Brass |
| Connection Gender - Side 1 | Female |
| Connection Gender - Side 2 | Female |
| Connection Size - Side 1 | 3/4" |
| Connection Size - Side 2 | 3/4" |
| Connection Type | FIP x FIP |
| Connection Type - Side 1 | IPS |
| Connection Type - Side 2 | IPS |
| Cracking Pressure | 2 psi |
| Field Testable | Not Field Testable |
| Flow Design | Dual With Vent |
| Flow Rate | 23 GPM |
| For Media | Water |
| Hazard Protection Level | Low Health Hazard |
| Includes Atmospheric Vent | Atmospheric Vent Included |
| Includes Freeze Protection | No Freeze Protection |
| Manufacturer Warranty | 5 yrs. |
| Max. Media Temperature | 180°F |
| Max. Operating Pressure | 175 psi |
| Max. Pressure (cwp) | 175 psi |
| Media Temp. Range | 33°F to 180°F |
| Min. Media Temperature | 33°F |
| Mounting Orientation | Horizontal |
| Overall Height | 2 3/5" |
| Overall Length | 4.3" |
| Overall Width | 1.91" |
| Pipe Size | 3/4" |
| Protection Type | Back Pressure, Back Siphonage |
| Seal Material | EPDM |
| Seat Material | Buna N, EPDM |
| Series | 4A Series Backflow Preventers |
| Size | 3/4" |
| Spring Material | Stainless Steel |
| Spring Material - Check Valves | Stainless Steel |
| Suitable For Central Heating Water | Yes |
| Valve Series | 4A |
Shipping Info:
| Ship weight (kg) | 0.62 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
| Country of Origin | CN |
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APOLLO VALVES 4A4A44AM Dual Check Valve w Atmosheric Vent, 4A-400, 3/4 in Size, FNPT x FNPT, Brass, 180 Deg. F Max. Temp.
€116.02 /unit

